> For the complete documentation index, see [llms.txt](https://doc.orbeon.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.orbeon.com/xforms/xforms-tutorial/bookcast.md).

# The Bookcast application

In this section, you will create a more complete XForms application: the Bookcast application. The Bookcast application allows you to keep track of information about books you have read. For each book, you enter information such as title, author, language, and your own comments. The information is persisted so you can access it again. Then you can do cool things with the available data such create an Atom feed of your entries.

![](https://raw.github.com/wiki/orbeon/orbeon-forms/images/tutorial/07.png)

You can run the final application [online on the Orbeon website](http://demo.orbeon.com/orbeon/xforms-bookcast/).


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# Agent Instructions
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## Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter, and the optional `goal` query parameter:

```
GET https://doc.orbeon.com/xforms/xforms-tutorial/bookcast.md?ask=<question>&goal=<endgoal>
```

`ask` is the immediate question: it should be specific, self-contained, and written in natural language.
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Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.